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Adiabatic equilibrium calculations of major-radius compression in a tokamak

D.B. Albert1980年被引用 7Nuclear FusionIF 3出版社

Equilibrium calculations which conserve adiabatic quantities (magnetic fluxes, particle number and entropy) during major-radius compression in a tokamak have been made by using a flux-surface-averaged description of the plasma behaviour in order to solve the two-dimensional plasma equilibrium equation. Boundary conditions are chosen to avoid skin current formation during compression, and the changes of the Ohmic-heating flux required to maintain this condition are determined. Comparisons are made between the plasma parameter variations determined from these computations and the scaling behaviour predicted by a large-aspect-ratio approximation to the adiabatic constraints.

日本語訳

トカマクにおける主半径圧縮中に断熱量(磁束、粒子数、エントロピー)を保存する平衡計算は、プラズマ挙動のフラックス面平均記述を用いて二次元プラズマ平衡方程式を解くことによって行われた。圧縮中の表皮電流形成を避けるように境界条件が選択され、この条件を維持するために必要なオーミック加熱フラックスの変化が決定された。これらの計算から決定されたプラズマパラメータ変動と、断熱拘束条件の大アスペクト比近似によって予測されるスケーリング挙動との間で比較が行われる。

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